एपीए उद्धरण

Sáenz, J. A., Nassar, M., & Sáenz Gómez, V. (1981). Phytochemical screening of Costa Rican plants: Alkaloid analysis. VI.

शिकागो स्टाइल उद्धरण

Sáenz, J. A., Maryssia Nassar, और Vera Sáenz Gómez. Phytochemical Screening of Costa Rican Plants: Alkaloid Analysis. VI. 1981.

एमएलए उद्धरण

Sáenz, J. A., Maryssia Nassar, और Vera Sáenz Gómez. Phytochemical Screening of Costa Rican Plants: Alkaloid Analysis. VI. 1981.